@charset "UTF-8";
@import "common.css";
@import "common-mobile.css";
h1, h2, h3, h4, h5, h6, div, span, p, pre, b, a, ul, li {
  font-family: s-core-dream, NanumSquare, AppleSDGothicNeo, Dotum, "돋움", Helvetica, sans-serif;
  font-weight: 500;
}

.row {
  --bs-gutter-x: 0;
}

/* etc custom */
.wx-420 {
  width: 26.25rem !important;
}

.hx-620 {
  height: 38.75rem !important;
}

.px-1-5 {
  padding-right: 0.375rem !important;
  padding-left: 0.375rem !important;
}

.of-cover {
  object-fit: cover;
}

.hx-720 {
  height: 45rem !important;
}

.hx-800 {
  height: 50rem !important;
}

.wx-560 {
  width: 35rem !important;
}

/* desktop; */
@media screen and (min-width: 81.25rem) {
  .mobile {
    display: none;
  }
  header {
    position: absolute;
    z-index: 1;
    top: 0;
    width: 100%;
    min-width: 80rem;
    height: 6.25rem;
    background-color: #F8F8F8;
    box-shadow: 0.125rem 0.125rem 0.3125rem rgba(220, 220, 220, 0.3);
  }
  .header-menu {
    width: 100%;
    max-width: 75rem;
  }

  /* Header dropdown menu */
  .header-dropdown-wrapper {
    position: relative;
    display: flex;
    align-items: center;
    height: 100%;
  }
  .header-dropdown {
    display: none;
    position: absolute;
    top: 100%;
    left: 50%;
    transform: translateX(-50%);
    min-width: 16rem;
    background: #fff;
    border-radius: 0.625rem;
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.12);
    padding: 0.5rem;
    z-index: 10;
  }
  .header-dropdown::before {
    content: '';
    position: absolute;
    top: -0.5rem;
    left: 0;
    right: 0;
    height: 0.5rem;
  }
  .header-dropdown-wrapper:hover .header-dropdown {
    display: block;
    animation: dropdown-fade 0.15s ease;
  }
  @keyframes dropdown-fade {
    from { opacity: 0; transform: translateX(-50%) translateY(-4px); }
    to { opacity: 1; transform: translateX(-50%) translateY(0); }
  }
  .header-dropdown-item {
    display: flex;
    flex-direction: column;
    padding: 0.75rem 1rem;
    border-radius: 0.5rem;
    cursor: pointer;
    transition: background 0.15s ease;
  }
  .header-dropdown-item:hover {
    background: #f5f6f8;
  }
  .header-dropdown-title {
    font-size: 0.875rem;
    font-weight: 600;
    color: #1d2939;
  }
  .header-dropdown-desc {
    font-size: 0.75rem;
    font-weight: 400;
    color: #667085;
    margin-top: 0.15rem;
  }

  .section-fluid {
    margin: 0 auto;
    width: 100%;
    min-width: 80rem;
    z-index: -1;
  }
  .section {
    margin: 0 auto;
    width: 100%;
    min-width: 80rem;
    height: 67.5rem;
    z-index: 0;
    position: relative;
    overflow: hidden;
  }
  .section-inner {
    margin: 0 auto;
    max-width: 75rem;
    height: 100%;
  }
  #footer {
    position: absolute;
    z-index: 1;
    width: 100%;
    min-width: 80rem;
    background-color: #F8F8F8;
  }
  .video-container {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    min-height: 67.5rem;
    overflow: hidden;
    z-index: -1;
    opacity: 0.7;
  }
  .video-background {
    width: 100%;
    min-height: 67.5rem;
    object-fit: cover;
  }
}
/* mobile; */
@media screen and (max-width: 81.24rem) {
  .desktop {
    display: none;
  }
  header {
    position: absolute;
    z-index: 1;
    top: 0;
    width: 100%;
    height: 4.5rem;
    background-color: #F8F8F8;
    box-shadow: 0.125rem 0.125rem 0.3125rem rgba(220, 220, 220, 0.3);
  }
  .header-menu {
    width: 100%;
  }
  .section {
    margin: 0 auto;
    width: 100%;
    z-index: -1;
  }
  .section-inner {
    margin: 0 auto;
    max-width: 45rem;
    padding-left: 1rem;
    padding-right: 1rem;
  }
  #footer {
    position: absolute;
    z-index: 1;
    width: 100%;
    background-color: #F8F8F8;
  }
  .video-container {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    overflow: hidden;
    z-index: -1;
    opacity: 0.7;
  }
  .video-background {
    width: 100%;
    height: 100%;
    object-fit: cover;
  }
}
/* sidebar; */
.btn-sidebar {
  position: absolute;
  top: 1.5rem;
  left: 1.375rem;
  z-index: 1020;
  cursor: pointer;
  color: black;
}

.sidebar-menu {
  width: 18.75rem;
  max-width: 85vw;
  background: #F8F8F8;
  position: fixed;
  z-index: 1100;
  height: 100%;
  margin-left: -18.75rem;
}
.sidebar-menu.active {
  margin-left: 0;
}
.sidebar-menu a {
  display: block;
  color: black;
  text-decoration: none;
  cursor: pointer;
}
.sidebar-menu a:hover {
  color: #5E639B;
  font-weight: 700 !important;
}
.sidebar-menu .menu-text {
  padding: 0.5rem 0;
}
.sidebar-menu .menu-border {
  border-top: 1px solid rgba(0, 0, 0, 0.05);
}
.sidebar-menu .submenu-text {
  font-size: 1rem;
  padding: 0.25rem 0 0.25rem 0.5rem;
}

.sidebar-footer {
  position: absolute;
  left: 0.5rem;
  bottom: 0.5rem;
  margin: 1.5rem;
  font-size: 0.75rem;
}
.sidebar-footer p {
  margin-bottom: 0;
}

.modal-backdrop {
  opacity: 0.5;
}

.bg-main {
  background-image: url("../images/bg-main.png");
  background-position: center;
  background-size: cover;
  background-repeat: no-repeat;
}

.bg-history {
  background-image: url("../images/bg-history.png");
  background-position: center;
  background-size: cover;
  background-repeat: no-repeat;
}

.bg-mission {
  background-image: url("../images/bg-mission.png");
  background-position: center;
  background-size: cover;
  background-repeat: no-repeat;
}

.bg-qna {
  background-image: url("../images/bg-qna.png");
  background-position: center;
  background-size: cover;
  background-repeat: no-repeat;
}

.bg-contact {
  background-image: url("../images/bg-contact.png");
  background-position: center;
  background-size: cover;
  background-repeat: no-repeat;
}

.bg-main-2 {
  background-image: url("../images/bg-main-2.png");
  background-position: center;
  background-size: cover;
  background-repeat: no-repeat;
}

.bg-light-white {
  background-color: rgba(255, 255, 255, 0.8);
}

.bg-arti-purple {
  background-color: #4C5395;
}

.bg-saseul-lightpurple {
  background-color: #EFF1F8;
}

.bg-light-gray {
  background-color: #F8F8F8;
}

.bg-light-black {
  background-color: rgba(0, 0, 0, 0.8);
}

.bg-redpill {
  background-color: #9B5E78;
}

.bg-trans-black {
  background-color: rgba(0, 0, 0, 0.8);
}

.bg-trans-gray {
  background-color: rgba(0, 0, 0, 0.4);
}

.text-arti-purpleblue {
  color: #5E639B;
}

.text-light-saseulblue {
  color: rgba(94, 99, 155, 0.5);
}

.text-white-saseulblue {
  color: rgba(94, 99, 155, 0.2);
}
@media screen and (max-width: 81.24rem) {
  .text-white-saseulblue {
    font-size: clamp(2rem, 7vw, 4rem) !important;
  }
  .fs-30 {
    font-size: 1.4rem !important;
  }
}
@media screen and (max-width: 576px) {
  .text-white-saseulblue {
    font-size: clamp(1.6rem, 7vw, 2.5rem) !important;
  }
  .fs-30 {
    font-size: 1rem !important;
  }
}

.text-light-white {
  color: rgba(255, 255, 255, 0.68);
}

.text-opacity-white {
  color: rgba(255, 255, 255, 0.2);
}

.text-opacity-black {
  color: rgba(0, 0, 0, 0.2);
}

.text-saseul-gray {
  color: rgba(129, 129, 129, 0.75);
}

.text-saseul-lightgray {
  color: rgba(54, 54, 54, 0.2);
}

.text-arti-gray {
  color: #808080;
}

.text-red {
  color: #dc3545;
}

.card-main {
  border-radius: 0.75rem;
}

.b-left {
  border-left: 0.125rem rgba(0, 0, 0, 0.2) solid;
}

.hx-46 {
  height: 2.875rem !important;
}

.hx-212 {
  height: 13.25rem !important;
}

.hx-1196 {
  height: 74.75rem !important;
}

.hx-1202 {
  height: 75.125rem !important;
}

.hx-1280 {
  height: 80rem !important;
}

.hx-1864 {
  height: 116.5rem !important;
}

.hx-1920 {
  height: 120rem !important;
}

.wx-935 {
  width: 58.4375rem !important;
}

.wx-475 {
  width: 29.6875rem !important;
}

.wx-276 {
  width: 17.25rem !important;
}

.wx-522 {
  width: 32.625rem !important;
}

.wx-470 {
  width: 29.375rem !important;
}

.wx-713 {
  width: 44.5625rem !important;
}

.wx-534 {
  width: 33.375rem !important;
}

.wx-435 {
  width: 27.1875rem !important;
}

.wx-344 {
  width: 21.5rem !important;
}

.wx-164 {
  width: 10.25rem !important;
}

.wx-142 {
  width: 8.875rem !important;
}

.wx-444 {
  width: 27.75rem !important;
}

.mwx-176 {
  max-width: 11rem !important;
}

.mwx-177 {
  max-width: 11.0625rem !important;
}

.c-btn > * {
  cursor: pointer;
}

.c-img-btn > * {
  cursor: pointer;
  transition: all 0.2s ease;
  -o-transition: all 0.2s ease;
  -moz-transition: all 0.2s ease;
  -ms-transition: all 0.2s ease;
  -webkit-transition: all 0.2s ease;
}
.c-img-btn > *:hover {
  width: 95% !important;
}

.c-circle-btn {
  cursor: pointer;
  transition: all 0.2s ease;
  -o-transition: all 0.2s ease;
  -moz-transition: all 0.2s ease;
  -ms-transition: all 0.2s ease;
  -webkit-transition: all 0.2s ease;
}
.c-circle-btn:hover {
  transform: scale(0.95);
}
.c-circle-btn .circle-btn-inner {
  width: 100%;
  padding-bottom: 100%;
  border-radius: 50%;
  background: #fff;
  box-shadow: 0 0.25rem 1.5rem rgba(0, 0, 0, 0.08);
  position: relative;
}
.c-circle-btn .circle-btn-content {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 75%;
  text-align: center;
}
.c-circle-btn .circle-btn-title {
  font-size: 1.2rem;
  font-weight: 800;
  color: #3D3D3D;
  line-height: 1.3;
}
.c-circle-btn .circle-btn-desc {
  font-size: 0.6rem;
  font-weight: 400;
  color: #6D6D6D;
  line-height: 1.4;
  margin-top: 0.4rem;
  white-space: nowrap;
}

.mobile .c-circle-btn .circle-btn-content {
  width: 72%;
}
.mobile .c-circle-btn .circle-btn-title {
  font-size: 0.65rem;
  line-height: 1.2;
}
.mobile .c-circle-btn .circle-btn-desc {
  font-size: 0.4rem;
  line-height: 1.3;
  margin-top: 0.2rem;
}

.c-text-btn > * {
  cursor: pointer;
  transition: all 0.2s ease;
  -o-transition: all 0.2s ease;
  -moz-transition: all 0.2s ease;
  -ms-transition: all 0.2s ease;
  -webkit-transition: all 0.2s ease;
}
.c-text-btn > span {
  display: inline-flex;
  flex-direction: column;
  align-items: center;
}
.c-text-btn > span::after {
  content: attr(data-text);
  height: 0;
  visibility: hidden;
  overflow: hidden;
  user-select: none;
  pointer-events: none;
  font-weight: bold;
}
.c-text-btn > *:hover {
  font-weight: bold !important;
}

.btn-arti-purpleblue {
  transition: 0.2s ease-in-out;
  border-radius: 3.125rem;
  background-color: #5E639B;
  color: white;
  text-align: center;
}
.btn-arti-purpleblue:hover {
  background-color: #4C5395;
}
@media screen and (max-width: 81.24rem) {
  .btn-arti-purpleblue.hx-60 {
    height: 50px !important;
    font-size: 0.875rem !important;
  }
}
@media screen and (max-width: 576px) {
  .btn-arti-purpleblue.hx-60 {
    height: 44px !important;
    font-size: 0.8rem !important;
    max-width: 280px !important;
  }
}

.text-light-black {
  color: #4D4C4C;
}

.nft-logo-image {
  height: 52.5rem !important;
  width: 33.75rem;
  margin-left: -2.5rem;
  object-fit: cover;
}

.nft-logo-image-home {
  height: 33.75rem !important;
  width: 22.5rem;
  margin-left: -7.5rem;
  object-fit: cover;
}

.brb-lightblack {
  border-bottom: 0.25rem solid #393939;
}

.brb-lightgray {
  border-bottom: 0.25rem solid #C5C5C5;
}

.brb-sm-lightgray {
  border-bottom: 0.125rem solid #C5C5C5;
}

.section-modal {
  position: fixed;
  z-index: 10;
  top: 0;
  width: 100%;
  height: 100%;
  min-height: max(47.5rem, 100vh);
  overflow-x: hidden;
}

.gmodal {
  background-color: white;
  border-radius: 0.9375rem;
  padding: 1.25rem;
  max-width: 75rem;
  width: 80%;
}

.fade-in {
  -webkit-animation-duration: 0.2s;
  animation-duration: 0.2s;
  -webkit-animation-fill-mode: both;
  animation-fill-mode: both;
  -webkit-animation-name: fade-in;
  animation-name: fade-in;
}

@keyframes fade-in {
  0% {
    opacity: 0;
  }
  100% {
    opacity: 1;
  }
}
.fade-out {
  -webkit-animation-duration: 0.2s;
  animation-duration: 0.2s;
  -webkit-animation-fill-mode: both;
  animation-fill-mode: both;
  -webkit-animation-name: fade-out;
  animation-name: fade-out;
}

@keyframes fade-out {
  0% {
    opacity: 1;
  }
  100% {
    opacity: 0;
  }
}
.gbtn {
  border: none;
  cursor: pointer;
  transition: 0.2s ease-in-out;
}

.gbtn-blue {
  background-color: #043554;
  color: white;
}
.gbtn-blue.hover {
  background-color: #00466F;
}
@media (hover: hover) and (pointer: fine) {
  .gbtn-blue:hover {
    background-color: #00466F;
  }
}

.gbtn-white {
  background-color: rgba(255, 255, 255, 0.85);
  color: black;
  box-shadow: 0 0.3125rem 0.625rem rgba(0, 0, 0, 0.16);
}
.gbtn-white.hover {
  background-color: #043554;
  color: white;
  box-shadow: none;
}
@media (hover: hover) and (pointer: fine) {
  .gbtn-white:hover {
    background-color: #043554;
    color: white;
    box-shadow: none;
  }
}

.bl-1 {
  border: 0.0625rem solid #4D4C4C;
}

.indent {
  text-indent: 0.75rem;
}

.gbtn-x {
  transition: 0.2s ease-in-out;
  cursor: pointer;
}
.gbtn-x.active {
  border-bottom: 0.125rem solid #043554;
  color: #00466F;
}
.gbtn-x:hover, .gbtn-x.hover {
  color: #00466F;
}

.bg-grid-long {
  background-image: url("../images/identity/identity-grid-long.png");
  background-position: center;
  background-size: contain;
  background-repeat: no-repeat;
  width: 75rem;
  height: 25rem;
}
@media screen and (max-width: 81.24rem) {
  .bg-grid-long {
    max-width: 81vw;
    max-height: 27vw;
    height: 15rem !important;
  }
}

.bg-grid-short {
  background-image: url("../images/identity/identity-grid-short.png");
  background-position: center;
  background-size: contain;
  background-repeat: no-repeat;
  max-width: 32rem;
  height: 25rem;
}
@media screen and (max-width: 81.24rem) {
  .bg-grid-short {
    max-width: 39vw;
    max-height: 27vw;
    height: 14rem !important;
  }
}

.bg-trans-white-8 {
  background: rgba(255, 255, 255, 0.8);
}

.bg-identity-gray {
  background: #707070;
}

.bg-identity-darkgray {
  background: #595757;
}

.bg-arti-purpleblue {
  background: #5E639B;
}

.bg-guardee-realblue {
  background: #00466F;
}

.bg-guardee-greenblue {
  background: #16A2B3;
}

.bg-sl-blue {
  background: #4A618A;
}

.bg-sl-purple {
  background: #6F5B98;
}

.bg-resource-blue {
  background: #483D8B;
}

.bg-saseul-purple {
  background: #6F5B96;
}

.bg-saseul-blue {
  background: #5A6895;
}

.border-identity {
  border: 2px #707070 solid;
}

.identity-top {
  height: 3.125rem;
}
@media screen and (max-width: 81.24rem) {
  .identity-top {
    height: 2.5rem;
  }
}

.identity-top-item {
  padding: 0.5625rem;
  cursor: pointer;
}
.identity-top-item.active {
  background: #000;
  color: #fff;
}
@media screen and (max-width: 81.24rem) {
  .identity-top-item {
    padding: 0.3rem;
  }
}

.about-top-item, .milestone-top-item {
  padding: 0.5625rem;
  cursor: pointer;
}
.about-top-item.active, .milestone-top-item.active {
  background: #000;
  color: #fff;
}
@media screen and (max-width: 81.24rem) {
  .about-top-item, .milestone-top-item {
    padding: 0.3rem;
  }
}

.about-saseul-logo {
  max-height: 24rem;
}
.about-text-gap-1 {
  margin-top: -3.25rem;
}
.about-text-gap-2 {
  margin-top: -1rem;
}

/* About hero banner */
.about-hero {
  position: relative;
  overflow: hidden;
  background:
    radial-gradient(52% 130% at 50% -15%, rgba(94, 99, 155, 0.16) 0%, rgba(94, 99, 155, 0) 62%),
    linear-gradient(180deg, #EFF1F8 0%, #F8F8FC 100%);
  border-bottom: 1px solid #e8e8ee;
  padding: 9.5rem 2rem 6rem;
  text-align: center;
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 21rem;
}
.about-hero-inner {
  position: relative;
  z-index: 1;
  max-width: 56rem;
  margin: 0 auto;
}
.about-hero-title {
  margin: 0;
  font-weight: 800;
  color: #5E639B;
  background: linear-gradient(135deg, #5E639B 0%, #4C5395 100%);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  font-size: clamp(2.6rem, 6.5vw, 4rem);
  line-height: 1.08;
  letter-spacing: -0.02em;
  text-align: center;
}
.about-hero-summary {
  margin: 1.15rem auto 0;
  max-width: 40rem;
  font-size: clamp(1.05rem, 2.3vw, 1.4rem);
  font-weight: 400;
  color: #71748d;
  letter-spacing: -0.005em;
  text-align: center;
  line-height: 1.55;
}
.about-hero-btn {
  display: inline-block;
  margin-top: 2rem;
  padding: 0.85rem 1.8rem;
  background: #5E639B;
  color: #fff;
  border-radius: 980px;
  font-size: 1rem;
  font-weight: 600;
  letter-spacing: -0.01em;
  text-decoration: none;
  box-shadow: 0 6px 20px rgba(94, 99, 155, 0.28);
  transition: background 0.25s ease, transform 0.2s ease, box-shadow 0.25s ease;
}
.about-hero-btn:hover {
  background: #4C5395;
  transform: translateY(-2px);
  box-shadow: 0 10px 26px rgba(94, 99, 155, 0.4);
  color: #fff;
  text-decoration: none;
}

@media screen and (max-width: 81.24rem) {
  .about-hero {
    padding: 7.5rem 1.5rem 4.5rem;
    min-height: 16rem;
  }
  .about-hero-title {
    font-size: clamp(2.1rem, 6vw, 3rem);
  }
  .about-hero-summary {
    margin-top: 1rem;
    font-size: clamp(1rem, 2.4vw, 1.2rem);
  }
  .about-hero-btn {
    margin-top: 1.6rem;
    padding: 0.8rem 1.6rem;
    font-size: 0.95rem;
  }
}
@media screen and (max-width: 576px) {
  .about-hero {
    padding: 6rem 1.25rem 3.5rem;
    min-height: 12rem;
  }
  .about-hero-title {
    font-size: 2.1rem;
    letter-spacing: -0.02em;
  }
  .about-hero-summary {
    margin-top: 0.85rem;
    font-size: 1rem;
    line-height: 1.45;
  }
  .about-hero-btn {
    margin-top: 1.4rem;
    padding: 0.72rem 1.4rem;
    font-size: 0.9rem;
  }
}

/* What is SASEUL - intro block */
.whatis-intro-block {
  background: #f8f9fa;
  border-left: 2px solid #5E639B;
  border-radius: 0 0.75rem 0.75rem 0;
  margin: 0 1rem;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}
.whatis-intro-block:hover {
  transform: translateY(-2px);
  box-shadow: 0 4px 16px rgba(0,0,0,0.06);
}

/* What is SASEUL - mission block */
.whatis-mission-block {
  background: #f8f9fa;
  border-left: 2px solid #5E639B;
  border-radius: 0 0.75rem 0.75rem 0;
  margin: 0 1rem;
  position: relative;
  overflow: hidden;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}
.whatis-mission-block:hover {
  transform: translateY(-2px);
  box-shadow: 0 4px 16px rgba(0,0,0,0.06);
}
.whatis-mission-block::before {
  content: '\201C';
  position: absolute;
  top: -0.5rem;
  right: 1.5rem;
  font-size: 12rem;
  color: #5E639B;
  opacity: 0.04;
  font-family: Georgia, serif;
  line-height: 1;
  pointer-events: none;
}

@media screen and (max-width: 81.24rem) {
  .whatis-intro-block,
  .whatis-mission-block {
    margin: 0 0.5rem;
  }
}

/* Feature cards - left border accent (Overview tab) */
.about-feature-card {
  border-left: 2px solid #5E639B;
  background: #f8f9fa;
  padding: 1.75rem 2rem;
  height: 100%;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}
.about-feature-card:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(0,0,0,0.08);
}
.about-feature-card-number {
  font-size: 2rem;
  font-weight: 900;
  color: #5E639B;
  opacity: 0.3;
  line-height: 1;
}

/* Detail blocks (Overview tab - trilemma) */
.about-detail-block {
  border-top: 2px solid #5E639B;
  padding-top: 1rem;
}

/* Steps container - vertical timeline (How it Works tab) */
.about-steps-container {
  position: relative;
  background: #fafafa;
  border: 1px solid #e8e8ee;
  border-radius: 0.75rem;
  padding: 2rem;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}
.about-steps-container:hover {
  transform: translateY(-2px);
  box-shadow: 0 4px 16px rgba(0,0,0,0.06);
}
.about-step-row {
  display: flex;
  gap: 1.5rem;
}
.about-step-row:not(:last-child) {
  margin-bottom: 2rem;
}
.about-step-indicator {
  display: flex;
  flex-direction: column;
  align-items: center;
  flex-shrink: 0;
}
.about-step-dot {
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: #5E639B;
  flex-shrink: 0;
  margin-top: 0.35rem;
}
.about-step-line {
  width: 2px;
  flex-grow: 1;
  background: linear-gradient(to bottom, #5E639B, #e0e0e0);
  margin-top: 0.5rem;
}
.about-step-content {
  flex-grow: 1;
  padding-bottom: 1rem;
}

/* Timeline - zigzag (Get Started tab) */
.about-timeline {
  position: relative;
  padding-left: 3rem;
}
.about-timeline::before {
  content: '';
  position: absolute;
  left: 1.25rem;
  top: 0;
  bottom: 0;
  width: 2px;
  background: linear-gradient(to bottom, #5E639B, #9B9FC4, #e0e0e0);
}
.about-timeline-item {
  position: relative;
  display: flex;
  gap: 1.5rem;
  margin-bottom: 3rem;
}
.about-timeline-marker {
  position: absolute;
  left: -3rem;
  top: 0;
  width: 2.5rem;
  height: 2.5rem;
  border-radius: 50%;
  background: #5E639B;
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 1;
}
.about-timeline-label {
  color: #fff;
  font-size: 0.75rem;
  font-weight: 700;
}
.about-timeline-content {
  background: #f8f9fa;
  border-radius: 0.75rem;
  padding: 1.75rem 2rem;
  flex-grow: 1;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}
.about-timeline-content:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 24px rgba(94, 99, 155, 0.10);
}

/* Network blocks (Network tab) */
.about-network-block {
  padding: 1.5rem;
  background: #fafafa;
  border-left: 2px solid #5E639B;
  height: 100%;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}
.about-network-block:hover {
  transform: translateY(-2px);
  box-shadow: 0 4px 16px rgba(0,0,0,0.06);
}

/* Top-border cards (Network tab - three cards) */
.about-top-border-card {
  border-top: 4px solid #5E639B;
  background: #f8f9fa;
  padding: 1.5rem;
  height: 100%;
  transition: transform 0.2s ease;
}
.about-top-border-card:hover {
  transform: translateY(-2px);
  box-shadow: 0 4px 16px rgba(0,0,0,0.06);
}

@media screen and (max-width: 81.24rem) {
  .about-saseul-logo {
    max-height: 12rem;
  }
  .about-text-gap-1 {
    margin-top: -1.5rem;
  }
  .about-text-gap-2 {
    margin-top: -0.5rem;
  }
  #about .section-identity.bg-identity {
    background-position: 33% center;
  }
  .about-feature-card {
    padding: 1.25rem 1.5rem;
  }
  .about-timeline {
    padding-left: 2.5rem;
  }
  .about-timeline::before {
    left: 0.9rem;
  }
  .about-timeline-marker {
    left: -2.5rem;
    width: 2rem;
    height: 2rem;
  }
  .about-timeline-content {
    padding: 1.25rem 1.5rem;
  }
  .about-step-row {
    gap: 1rem;
  }
  .about-steps-container {
    padding: 1.25rem;
  }
}

/* ============================================
   Businesses - Feature cards
   ============================================ */

/* Card grid gap - add horizontal spacing between cards on same row */
.card-grid {
  --bs-gutter-x: 2rem;
}

.biz-card {
  background: #fff;
  border: 1px solid #e8e8ee;
  border-left: 3px solid #5E639B;
  border-radius: 0.5rem;
  padding: 1.75rem 2rem;
  height: 100%;
  display: flex;
  flex-direction: column;
  transition: box-shadow 0.2s ease, transform 0.2s ease;
}
.biz-card:hover {
  box-shadow: 0 6px 24px rgba(94, 99, 155, 0.10);
  transform: translateY(-2px);
}
.biz-card-highlight {
  background: #f8f8fc;
  border-left-width: 4px;
}
.biz-card-icon {
  width: 3rem;
  height: 3rem;
  border-radius: 50%;
  background: #f0f0f8;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}
.biz-cta-banner {
  background: #f8f8fc;
  border: 1px solid #e8e8ee;
  border-radius: 0.75rem;
  padding: 2.5rem;
  text-align: center;
}
.biz-cta-btn {
  display: inline-block;
  padding: 0.85rem 2.5rem;
  background: #5E639B;
  color: #fff;
  border-radius: 0.4rem;
  font-size: 1rem;
  font-weight: 700;
  text-decoration: none;
  transition: background 0.2s ease;
}
.biz-cta-btn:hover {
  background: #4e5388;
  color: #fff;
  text-decoration: none;
}

@media screen and (max-width: 81.24rem) {
  .biz-card {
    padding: 1.25rem 1.5rem;
  }
  .biz-cta-banner {
    padding: 1.75rem 1rem;
  }
  .biz-cta-btn {
    padding: 0.75rem 1.5rem;
    font-size: 0.875rem;
  }
}
@media screen and (max-width: 576px) {
  .biz-cta-banner {
    padding: 1.25rem 0.75rem;
  }
  .biz-cta-btn {
    padding: 0.65rem 1.25rem;
    font-size: 0.8rem;
  }
}

/* ============================================
   Start SASEUL - Getting Started
   ============================================ */

/* Track selector pills */
.start-track-selector {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  border-bottom: 2px solid #e0e0e0;
  padding-bottom: 0;
}
.start-track-pill {
  padding: 0.75rem 2rem;
  border: none;
  background: none;
  font-size: 1rem;
  font-weight: 600;
  color: #999;
  cursor: pointer;
  border-bottom: 3px solid transparent;
  margin-bottom: -2px;
  transition: color 0.2s ease, border-color 0.2s ease;
}
.start-track-pill:hover {
  color: #5E639B;
}
.start-track-pill.active {
  color: #5E639B;
  border-bottom-color: #5E639B;
}

/* Identity track pills */
.identity-track-pill {
  padding: 0.75rem 2rem;
  border: none;
  background: none;
  font-size: 1rem;
  font-weight: 600;
  color: #999;
  cursor: pointer;
  border-bottom: 3px solid transparent;
  margin-bottom: -2px;
  transition: color 0.2s ease, border-color 0.2s ease;
}
.identity-track-pill:hover {
  color: #5E639B;
}
.identity-track-pill.active {
  color: #5E639B;
  border-bottom-color: #5E639B;
}

/* Identity section cards */
.identity-card {
  background: #f8f9fa;
  border-radius: 0.75rem;
  border: 1px solid #eee;
  padding: 2rem 1.5rem 1.75rem;
  height: 100%;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}
.identity-card:hover {
  transform: translateY(-3px);
  box-shadow: 0 8px 24px rgba(0,0,0,0.08);
}
.identity-card-title {
  display: inline-block;
  background: #3a3a3a;
  color: #fff;
  font-size: 0.875rem;
  font-weight: 700;
  padding: 0.3rem 1rem;
  border-radius: 0.25rem;
  letter-spacing: 0.02em;
  margin-bottom: 1.25rem;
}
.identity-card .identity-color-box {
  width: 48px;
  height: 48px;
  border-radius: 0.5rem;
  display: inline-block;
  margin: 0 0.25rem;
}
.identity-card .color-label {
  font-size: 0.875rem;
  color: #666;
  margin-top: 0.35rem;
}

/* Step cards */
.start-step-card {
  background: #f8f9fa;
  border-radius: 0.75rem;
  padding: 2rem 2rem 1.75rem;
  height: 100%;
  display: flex;
  flex-direction: column;
  border: 1px solid #eee;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}
.start-step-card:hover {
  transform: translateY(-3px);
  box-shadow: 0 8px 24px rgba(0,0,0,0.08);
}
.start-step-number {
  font-size: 2.5rem;
  font-weight: 900;
  color: #5E639B;
  opacity: 0.25;
  line-height: 1;
}
.start-step-btn {
  display: inline-block;
  margin-top: auto;
  padding: 0.6rem 1.5rem;
  background: #5E639B;
  color: #fff;
  border-radius: 0.4rem;
  font-size: 0.875rem;
  font-weight: 600;
  text-decoration: none;
  align-self: flex-start;
  transition: background 0.2s ease;
}
.start-step-btn:hover {
  background: #4e5388;
  color: #fff;
  text-decoration: none;
}

@media screen and (max-width: 81.24rem) {
  .start-track-pill {
    padding: 0.6rem 1.25rem;
    font-size: 0.9rem;
  }
  .identity-track-pill {
    padding: 0.6rem 1.25rem;
    font-size: 0.9rem;
  }
}
@media screen and (max-width: 576px) {
  .start-track-pill {
    padding: 0.5rem 0.75rem;
    font-size: 0.8rem;
  }
  .identity-track-pill {
    padding: 0.5rem 0.75rem;
    font-size: 0.8rem;
  }
}
@media screen and (max-width: 81.24rem) {
  .start-step-card {
    padding: 1.5rem;
  }
  .start-step-btn {
    padding: 0.5rem 1.25rem;
    font-size: 0.8rem;
  }
}
@media screen and (max-width: 576px) {
  .start-step-btn {
    padding: 0.45rem 1rem;
    font-size: 0.75rem;
  }
}

/* Mining portal cards */
.mining-portal-card {
  background: #fff;
  border: 1px solid #e0e0e0;
  border-radius: 0.75rem;
  padding: 2rem;
  height: 100%;
  display: flex;
  flex-direction: column;
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}
.mining-portal-card:hover {
  border-color: #5E639B;
  box-shadow: 0 6px 20px rgba(94, 99, 155, 0.12);
}
.mining-portal-icon {
  width: 3.5rem;
  height: 3.5rem;
  border-radius: 0.625rem;
  background: #f0f0f8;
  display: flex;
  align-items: center;
  justify-content: center;
}
.mining-portal-link {
  margin-top: auto;
  font-size: 0.95rem;
  font-weight: 600;
  color: #5E639B;
  text-decoration: none;
  transition: color 0.2s ease;
}
.mining-portal-link:hover {
  color: #4e5388;
  text-decoration: none;
}

@media screen and (max-width: 81.24rem) {
  .mining-portal-card {
    padding: 1.5rem;
  }
}

/* ============================================
   Revolutionary Page - Innovation cards
   ============================================ */
.rev-card {
  background: #f8f9fa;
  border-radius: 0.75rem;
  border: 1px solid #eee;
  padding: 2rem;
  height: 100%;
  display: flex;
  flex-direction: column;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}
.rev-card:hover {
  transform: translateY(-3px);
  box-shadow: 0 8px 24px rgba(0,0,0,0.08);
}
.rev-card-icon {
  width: 56px;
  height: 56px;
  background: #fff;
  border: 2px solid #5E639B;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1.25rem;
}
.rev-card-title {
  font-size: 1.25rem;
  font-weight: 700;
  color: #222;
  margin-bottom: 0.75rem;
}
.rev-card-text {
  font-size: 0.95rem;
  font-weight: 400;
  line-height: 1.7;
  color: #555;
}

@media screen and (max-width: 81.24rem) {
  .rev-card {
    padding: 1.5rem;
  }
}

/* ============================================
   Participate Page - Card layout
   ============================================ */
.participate-card {
  background: #f8f9fa;
  border-radius: 0.75rem;
  border: 1px solid #eee;
  padding: 2.5rem 2rem;
  display: flex;
  flex-direction: column;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}
.participate-card:hover {
  transform: translateY(-3px);
  box-shadow: 0 8px 24px rgba(0,0,0,0.08);
}
.participate-image-card {
  background: #f8f9fa;
  border-radius: 0.75rem;
  border: 1px solid #eee;
  padding: 2rem;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}
.participate-image-card:hover {
  transform: translateY(-3px);
  box-shadow: 0 8px 24px rgba(0,0,0,0.08);
}
.participate-image-card img {
  max-width: 380px;
}
.participate-spread-card {
  background: #f8f9fa;
  border-radius: 0.75rem;
  border: 1px solid #eee;
  padding: 2.5rem 2rem;
  display: flex;
  flex-direction: column;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}
.participate-spread-card:hover {
  transform: translateY(-3px);
  box-shadow: 0 8px 24px rgba(0,0,0,0.08);
}
.participate-card-icon {
  width: 56px;
  height: 56px;
  background: #fff;
  border: 2px solid #5E639B;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1.25rem;
}
.participate-card-title {
  font-size: 1.5rem;
  font-weight: 800;
  color: #222;
  margin-bottom: 0.75rem;
}
.participate-card-text {
  font-size: 1rem;
  font-weight: 400;
  line-height: 1.7;
  color: #555;
}
.participate-card-btn {
  display: inline-block;
  padding: 0.7rem 1.5rem;
  background: #5E639B;
  color: #fff;
  border-radius: 0.4rem;
  font-size: 0.875rem;
  font-weight: 600;
  text-decoration: none;
  align-self: flex-start;
  transition: background 0.2s ease;
}
.participate-card-btn:hover {
  background: #4e5388;
  color: #fff;
  text-decoration: none;
}
.participate-card-btn-outline {
  background: transparent;
  color: #5E639B;
  border: 2px solid #5E639B;
}
.participate-card-btn-outline:hover {
  background: #5E639B;
  color: #fff;
}

@media screen and (max-width: 81.24rem) {
  .participate-card, .participate-spread-card {
    padding: 1.75rem 1.5rem;
  }
  .participate-card-btn {
    padding: 0.6rem 1.25rem;
    font-size: 0.8rem;
  }
}
@media screen and (max-width: 576px) {
  .participate-card-btn {
    padding: 0.5rem 1rem;
    font-size: 0.75rem;
  }
}

/* ============================================
   Members Section
   ============================================ */
.members-section {
  background: #f8f9fa;
  border-radius: 0.75rem;
  border: 1px solid #eee;
  padding: 2.5rem 2rem;
}
.members-section-header {
  margin-bottom: 0.5rem;
}
.members-list {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}
.member-card {
  border: 1px solid rgba(94,99,155,0.18);
  border-radius: 0.75rem;
  background: #fff;
  overflow: hidden;
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}
.member-card:hover {
  border-color: rgba(94,99,155,0.35);
  box-shadow: 0 4px 16px rgba(0,0,0,0.04);
}
.member-card.open {
  border-color: rgba(94,99,155,0.45);
  box-shadow: 0 8px 24px rgba(0,0,0,0.08);
}
.member-card-header {
  display: flex;
  align-items: center;
  padding: 1.1rem 1.5rem;
  cursor: pointer;
  gap: 1rem;
  user-select: none;
}
.member-card-name {
  flex: 1;
  font-size: 1.1rem;
  font-weight: 700;
  color: #1a1a2e;
}
.member-card-role {
  font-size: 0.8rem;
  font-weight: 500;
  color: #5E639B;
  background: rgba(94,99,155,0.1);
  padding: 0.25rem 0.75rem;
  border-radius: 1rem;
  margin-right: 0.5rem;
}
.member-card-chevron {
  width: 1.2rem;
  height: 1.2rem;
  flex-shrink: 0;
  position: relative;
  transition: transform 0.25s ease;
}
.member-card-chevron::before,
.member-card-chevron::after {
  content: '';
  position: absolute;
  background: rgba(0,0,0,0.3);
  border-radius: 1px;
  top: 50%;
  width: 0.55rem;
  height: 2px;
}
.member-card-chevron::before {
  left: 0.1rem;
  transform: translateY(-50%) rotate(40deg);
}
.member-card-chevron::after {
  right: 0.1rem;
  transform: translateY(-50%) rotate(-40deg);
}
.member-card.open .member-card-chevron {
  transform: rotate(180deg);
}
.member-card-body {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.3s ease;
}
.member-card-content {
  display: flex;
  gap: 1.75rem;
  padding: 0.5rem 1.5rem 1.75rem 1.5rem;
  align-items: flex-start;
}
.member-photo {
  flex-shrink: 0;
}
.member-photo-placeholder {
  width: 120px;
  height: 120px;
  border-radius: 50%;
  background: rgba(94,99,155,0.08);
  border: 2px solid rgba(94,99,155,0.2);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2.5rem;
  color: rgba(94,99,155,0.55);
}
.member-photo img {
  width: 120px;
  height: 120px;
  border-radius: 50%;
  object-fit: cover;
}
.member-info {
  flex: 1;
  min-width: 0;
}
.member-info-name {
  font-size: 1.25rem;
  font-weight: 800;
  color: #222;
}
.member-info-role {
  font-size: 0.875rem;
  font-weight: 500;
  color: #5E639B;
  margin-bottom: 0.6rem;
}
.member-info-bio {
  font-size: 0.95rem;
  line-height: 1.7;
  color: #555;
  margin: 0;
}
@media screen and (max-width: 81.24rem) {
  .members-section {
    padding: 1.75rem 1.5rem;
  }
}
@media screen and (max-width: 576px) {
  .member-card-header {
    padding: 0.9rem 1.1rem;
  }
  .member-card-name {
    font-size: 1rem;
  }
  .member-card-role {
    font-size: 0.7rem;
    padding: 0.2rem 0.55rem;
  }
  .member-card-content {
    flex-direction: column;
    align-items: center;
    text-align: center;
    gap: 1rem;
    padding: 0.5rem 1.1rem 1.4rem 1.1rem;
  }
  .member-photo-placeholder,
  .member-photo img {
    width: 96px;
    height: 96px;
  }
  .member-photo-placeholder {
    font-size: 2rem;
  }
  .member-info-name {
    font-size: 1.1rem;
  }
}

/* ============================================
   FAQ Page - Stripe-inspired accordion design
   ============================================ */

/* Category pills */
.faq-category-pill {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.5rem 1.25rem;
  border: 1px solid #d0d5dd;
  border-radius: 2rem;
  font-size: 0.875rem;
  font-weight: 600;
  color: #344054;
  background: #fff;
  cursor: pointer;
  transition: all 0.2s ease;
  user-select: none;
}
.faq-category-pill:hover:not(.disabled) {
  border-color: #5E639B;
  color: #5E639B;
}
.faq-category-pill.active {
  background: #5E639B;
  border-color: #5E639B;
  color: #fff;
}
.faq-category-pill.disabled {
  opacity: 0.45;
  cursor: default;
}
.faq-pill-badge {
  font-size: 0.65rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  padding: 0.1rem 0.4rem;
  border-radius: 0.25rem;
  background: rgba(0,0,0,0.06);
}
.faq-category-pill.active .faq-pill-badge {
  background: rgba(255,255,255,0.2);
}

/* Expand/Collapse links */
.faq-action-link {
  font-size: 0.8rem;
  font-weight: 500;
  color: #667085;
  cursor: pointer;
  padding: 0.25rem 0.5rem;
  border-radius: 0.25rem;
  transition: color 0.15s ease;
}
.faq-action-link:hover {
  color: #5E639B;
}

/* Accordion items */
.faq-item {
  border-bottom: 1px solid #e4e7ec;
  transition: border-color 0.2s ease;
}
.faq-item:first-child {
  border-top: 1px solid #e4e7ec;
}
.faq-item.open {
  border-bottom-color: #5E639B;
}

/* Item header */
.faq-item-header {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 1.25rem 0;
  cursor: pointer;
  user-select: none;
  transition: background 0.15s ease;
}
.faq-item-header:hover {
  background: #fafbfc;
  margin: 0 -0.75rem;
  padding-left: 0.75rem;
  padding-right: 0.75rem;
  border-radius: 0.5rem;
}

.faq-item-number {
  flex-shrink: 0;
  width: 2rem;
  font-size: 0.8rem;
  font-weight: 700;
  color: #98a2b3;
  letter-spacing: 0.02em;
}
.faq-item.open .faq-item-number {
  color: #5E639B;
}

.faq-item-question {
  flex-grow: 1;
  font-size: 1.05rem;
  font-weight: 600;
  color: #1d2939;
  line-height: 1.5;
}

/* Chevron */
.faq-item-chevron {
  flex-shrink: 0;
  width: 1.25rem;
  height: 1.25rem;
  position: relative;
  transition: transform 0.3s ease;
}
.faq-item-chevron::before,
.faq-item-chevron::after {
  content: '';
  position: absolute;
  background: #667085;
  border-radius: 1px;
  transition: transform 0.3s ease, background 0.2s ease;
}
.faq-item-chevron::before {
  width: 100%;
  height: 2px;
  top: 50%;
  left: 0;
  transform: translateY(-50%);
}
.faq-item-chevron::after {
  width: 2px;
  height: 100%;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
}
.faq-item.open .faq-item-chevron::after {
  transform: translateX(-50%) scaleY(0);
}
.faq-item.open .faq-item-chevron::before,
.faq-item.open .faq-item-chevron::after {
  background: #5E639B;
}

/* Answer body - smooth expand */
.faq-item-body {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.35s ease;
}
.faq-item-answer {
  padding: 0 0 1.5rem 3rem;
  color: #475467;
}

/* Sub-items for strengths question */
.faq-sub-items {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  margin-top: 1rem;
}
.faq-sub-item {
  padding: 1rem 1.25rem;
  background: #f9fafb;
  border-left: 2px solid #5E639B;
  border-radius: 0 0.5rem 0.5rem 0;
}

@media screen and (max-width: 81.24rem) {
  .faq-item-header {
    gap: 0.75rem;
    padding: 1rem 0;
  }
  .faq-item-answer {
    padding: 0 0 1.25rem 0;
  }
  .faq-item-number {
    display: none;
  }
  .faq-category-pill {
    padding: 0.4rem 0.9rem;
    font-size: 0.8rem;
  }
  .faq-action-link {
    font-size: 0.7rem;
  }
  .faq-sub-item {
    padding: 0.75rem 1rem;
  }
}

.bg-identity {
  background-repeat: no-repeat;
  background-size: cover;
  background-position: center;
}

.bg-identity-left {
  background-repeat: no-repeat;
  background-size: cover;
  animation: slide-left 0.3s ease-in-out forwards;
}

.bg-identity-right {
  background-repeat: no-repeat;
  background-size: cover;
  animation: slide-right 0.3s ease-in-out forwards;
}

@keyframes slide-left {
  0% {
    background-position: calc(-100vw + 100%) 0, center 0;
  }
  100% {
    background-position: center 0, calc(100vw + 100%) 0;
  }
}
@keyframes slide-right {
  0% {
    background-position: center 0, calc(100vw + 100%) 0;
  }
  100% {
    background-position: calc(-100vw + 100%) 0, center 0;
  }
}
.identity-color-box {
  width: 7.5rem;
  height: 7.5rem;
  border-radius: 0.5rem;
}
@media screen and (max-width: 81.24rem) {
  .identity-color-box {
    width: 5rem;
    height: 5rem;
    border-radius: 0.4375rem;
  }
}
@media screen and (max-width: 45rem) {
  .identity-color-box {
    width: 3.75rem;
    height: 3.75rem;
    border-radius: 0.375rem;
  }
}

.section-identity {
  margin: 0 auto;
  width: 100%;
  height: 67.5rem;
  z-index: -1;
}
@media screen and (max-width: 81.24rem) {
  .section-identity {
    height: 45rem;
  }
}

.mwx-43 {
  max-width: 2.6875rem !important;
}

.mwx-94 {
  max-width: 5.875rem !important;
}

.mwx-96 {
  max-width: 6rem !important;
}

.mwx-103 {
  max-width: 6.4375rem !important;
}

.bg-about-warning {
  background-color: #FFE9A2;
}

.bg-about-warning-top {
  background-image: url("../images/add/about-warning-top.png");
  background-position: center;
  background-size: cover;
  background-repeat: no-repeat;
}

.bg-about-warning-bottom {
  background-image: url("../images/add/about-warning-bottom.png");
  background-position: center;
  background-size: cover;
  background-repeat: no-repeat;
}

.bg-milestone {
  margin-left: 32.5rem;
  margin-top: -11.875rem;
}

.bg-saseul-engine {
  background-image: url("../images/add/milestone-saseul-engine.png");
  background-position: center;
  background-size: cover;
  background-repeat: no-repeat;
}

.bg-sdk {
  background-image: url("../images/add/milestone-sdk.png");
  background-position: center;
  background-size: cover;
  background-repeat: no-repeat;
}

.bg-technology {
  background-image: linear-gradient(rgba(0, 0, 0, 0.4), rgba(0, 0, 0, 0.4)), url("../images/add/participate-technology.png");
  background-position: center;
  background-size: cover;
  background-repeat: no-repeat;
}

.home-card-col {
  width: 18%;
  max-width: 18%;
  flex: 0 0 18%;
  padding: 0 0.4rem;
  cursor: pointer;
}

.home-card {
  background: #fff;
  border-radius: 1rem;
  padding: 1.5rem 0.75rem 2rem;
  aspect-ratio: 660/750;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  box-shadow: 0 0.125rem 0.5rem rgba(0, 0, 0, 0.06);
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}
.home-card:hover {
  transform: translateY(-0.5rem);
  box-shadow: 0 0.5rem 1.5rem rgba(0, 0, 0, 0.15);
}

.home-card-icon {
  color: #5E639B;
  font-size: 4rem;
  margin-bottom: 1.5rem;
}

.home-card-title {
  font-size: 1.25rem;
  font-weight: 700;
  color: #333;
  margin-bottom: 0.75rem;
}

.home-card-desc {
  font-size: 0.875rem;
  font-weight: 400;
  color: #666;
  line-height: 1.4;
}

.home-card-mobile {
  padding: 1.2rem 0.6rem 1.4rem;
  height: 100%;
}
.home-card-mobile .home-card-icon {
  font-size: 2rem;
  margin-bottom: 0.6rem;
}
.home-card-mobile .home-card-title {
  font-size: 0.8rem;
  font-weight: 700;
  margin-bottom: 0.4rem;
}
.home-card-mobile .home-card-desc {
  font-size: 0.65rem;
  line-height: 1.3;
}
@media screen and (max-width: 576px) {
  .home-card-mobile {
    padding: 0.8rem 0.4rem 1rem;
  }
  .home-card-mobile .home-card-icon {
    font-size: 1.5rem;
    margin-bottom: 0.4rem;
  }
  .home-card-mobile .home-card-title {
    font-size: 0.7rem;
    margin-bottom: 0.25rem;
  }
  .home-card-mobile .home-card-desc {
    font-size: 0.55rem;
  }
}

/* Donate Button */
.donate-btn {
  background: #5E639B;
  border: 2px solid #5E639B;
  color: #fff;
  font-size: 1rem;
  font-weight: 600;
  padding: 0.625rem 2rem;
  border-radius: 2rem;
  cursor: pointer;
  transition: all 0.2s ease;
  letter-spacing: 0.02em;
}
.donate-btn:hover {
  background: #4a4e7a;
  border-color: #4a4e7a;
  color: #fff;
}
.donate-btn-mobile {
  font-size: 0.875rem;
  padding: 0.5rem 1.5rem;
}

/* Donate Modal */
.donate-modal-overlay {
  position: fixed;
  z-index: 100;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.5);
  display: flex;
  align-items: center;
  justify-content: center;
}
.donate-modal {
  background: #fff;
  border-radius: 1rem;
  max-width: 28rem;
  width: 90%;
  padding: 2rem;
  box-shadow: 0 1rem 3rem rgba(0, 0, 0, 0.2);
}
.donate-modal-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 1rem;
}

/* Coin selector tabs */
.donate-coin-selector {
  display: flex;
  gap: 0.5rem;
  margin-bottom: 1.25rem;
  padding: 0.25rem;
  background: #f3f4f6;
  border-radius: 0.625rem;
}
.donate-coin-tab {
  flex: 1;
  padding: 0.5rem 1rem;
  border: none;
  border-radius: 0.5rem;
  background: transparent;
  font-size: 0.875rem;
  font-weight: 600;
  color: #667085;
  cursor: pointer;
  transition: all 0.2s ease;
}
.donate-coin-tab:hover {
  color: #333;
}
.donate-coin-tab.active {
  background: #fff;
  color: #1d2939;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
}
.donate-modal-title {
  font-size: 1.375rem;
  font-weight: 700;
  color: #333;
}
.donate-modal-close {
  font-size: 1.75rem;
  color: #999;
  cursor: pointer;
  line-height: 1;
  transition: color 0.2s;
}
.donate-modal-close:hover {
  color: #333;
}
.donate-modal-body {
  text-align: center;
}
.donate-modal-qr {
  margin-bottom: 1.25rem;
}
.donate-modal-qr img,
.donate-modal-qr canvas {
  display: block;
  width: 12rem;
  height: 12rem;
  margin: 0 auto;
  border-radius: 0;
}
.donate-modal-address-label {
  font-size: 0.8125rem;
  font-weight: 600;
  color: #888;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 0.5rem;
}
.donate-modal-address-box {
  display: flex;
  align-items: center;
  background: #f5f5f5;
  border-radius: 0.5rem;
  padding: 0.625rem 0.75rem;
  margin-bottom: 1rem;
  gap: 0.5rem;
}
.donate-modal-address {
  flex: 1;
  font-size: 0.75rem;
  font-family: monospace;
  color: #333;
  word-break: break-all;
  text-align: left;
}
.donate-modal-copy {
  background: #5E639B;
  color: #fff;
  border: none;
  border-radius: 0.375rem;
  padding: 0.375rem 0.75rem;
  font-size: 0.75rem;
  font-weight: 600;
  cursor: pointer;
  white-space: nowrap;
  transition: background 0.2s;
}
.donate-modal-copy:hover {
  background: #4a4e7a;
}
.donate-modal-note {
  font-size: 0.8125rem;
  color: #888;
  margin-top: 0.25rem;
}

@media screen and (max-width: 45rem) {
  .fs-80 { line-height: 1.1 !important; }
}

.fc-trans-white-8 {
  color: rgba(255, 255, 255, 0.8);
}

.mwx-1200 {
  max-width: 75rem;
}

.fc-white-dusk {
  color: #fff !important;
}
.fc-white-dusk.hover, .fc-white-dusk:hover {
  color: #f8b739 !important;
}

/* Vocabulary / Terminology */
.vocab-search-wrap {
  position: relative;
}
.vocab-search {
  width: 100%;
  padding: 0.85rem 1.2rem 0.85rem 3rem;
  border: 1px solid rgba(94,99,155,0.25);
  border-radius: 0.75rem;
  background: rgba(255,255,255,0.04);
  color: #222;
  font-size: 0.95rem;
  outline: none;
  transition: border-color 0.2s ease;
}
.vocab-search::placeholder {
  color: rgba(0,0,0,0.35);
}
.vocab-search:focus {
  border-color: #5E639B;
}
.vocab-search-icon {
  position: absolute;
  left: 1rem;
  top: 50%;
  transform: translateY(-50%);
  width: 1.1rem;
  height: 1.1rem;
  opacity: 0.35;
}
.vocab-card {
  border: 1px solid rgba(94,99,155,0.18);
  border-radius: 0.75rem;
  margin-bottom: 0.75rem;
  background: rgba(94,99,155,0.04);
  overflow: hidden;
  transition: border-color 0.2s ease, background 0.2s ease;
}
.vocab-card:hover {
  border-color: rgba(94,99,155,0.35);
}
.vocab-card.open {
  border-color: rgba(94,99,155,0.45);
  background: rgba(94,99,155,0.08);
}
.vocab-card-header {
  display: flex;
  align-items: center;
  padding: 1rem 1.25rem;
  cursor: pointer;
  gap: 1rem;
}
.vocab-card-letter {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2.2rem;
  height: 2.2rem;
  border-radius: 0.5rem;
  background: #5E639B;
  color: #fff;
  font-size: 0.9rem;
  font-weight: 700;
  flex-shrink: 0;
}
.vocab-card-term {
  flex: 1;
  font-size: 1.05rem;
  font-weight: 600;
  color: #1a1a2e;
}
.vocab-card-chevron {
  width: 1.2rem;
  height: 1.2rem;
  flex-shrink: 0;
  position: relative;
  transition: transform 0.25s ease;
}
.vocab-card-chevron::before,
.vocab-card-chevron::after {
  content: '';
  position: absolute;
  background: rgba(0,0,0,0.3);
  border-radius: 1px;
  top: 50%;
  width: 0.55rem;
  height: 2px;
}
.vocab-card-chevron::before {
  left: 0.1rem;
  transform: translateY(-50%) rotate(40deg);
}
.vocab-card-chevron::after {
  right: 0.1rem;
  transform: translateY(-50%) rotate(-40deg);
}
.vocab-card.open .vocab-card-chevron {
  transform: rotate(180deg);
}
.vocab-card-body {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.3s ease;
}
.vocab-card-content {
  padding: 0 1.25rem 1.25rem 4.45rem;
  color: #333;
}
.vocab-count {
  font-size: 0.85rem;
  color: rgba(0,0,0,0.4);
}

/* ============================================
   Trademark Guidelines
   ============================================ */
.trademark-hero-title {
  white-space: nowrap;
  font-size: clamp(1rem, 4.4vw, 2.8rem);
}
.trademark-body ul {
  margin-bottom: 1rem;
}
.trademark-body ul li {
  margin-bottom: 0.5rem;
}
.trademark-body a {
  color: #5E639B;
  text-decoration: underline;
}
.trademark-callout {
  background: #f8f9fa;
  border-left: 0.1875rem solid #5E639B;
  border-radius: 0.5rem;
  padding: 1rem 1.25rem;
}